body{
    margin:0;
    padding:0;
    overflow: hidden;
}
#header{
    background-color: #3E8EF7;
    color:#fff;
    height:50px;
}
#header #logo{
    float: left;
    width:60px;
    height:50px;
}
#header #logo img{
    width:50px;
    height:50px;
}
#header #title{
    float:left;
    width: calc(100% - 500px);
    font-size:25px;
    padding-top:8px;
}
#header #buttons{
    float:right;
    width:400px;
    text-align: right;
    padding-top:15px;
}
#header #buttons .button{
    padding-right:10px;
}

#menu{
    clear:both;
    width:230px;
    height:calc(100vh - 50px);
    float:left;
    overflow: hidden;
    background-color: #eee;
}

#content{
    float:right;
    width: calc(100vw - 230px);
    height:calc(100vh - 50px);
    overflow: hidden;
}

#content iframe{
    width:100%;
    height:100%;
    overflow:hidden;
}